CN111610097B - Polymer material four-way or two-way tensile test equipment - Google Patents
Polymer material four-way or two-way tensile test equipment Download PDFInfo
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- CN111610097B CN111610097B CN202010528952.6A CN202010528952A CN111610097B CN 111610097 B CN111610097 B CN 111610097B CN 202010528952 A CN202010528952 A CN 202010528952A CN 111610097 B CN111610097 B CN 111610097B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
Abstract
The invention discloses a polymer material four-way or two-way tensile test device. A polymer material four-way or two-way tensile test device comprises a first clamping mechanism, a second clamping mechanism, a third clamping mechanism and a fourth clamping mechanism; the first clamping mechanism and the second clamping mechanism are connected with a first horizontal driving mechanism, and the third clamping mechanism and the fourth clamping mechanism are connected with a second horizontal driving mechanism; the box body is provided with a sealing door, a temperature control system and a light source are arranged in the box body, and an air exchange system is arranged on the box body; the first clamping mechanism, the second clamping mechanism, the third clamping mechanism and the fourth clamping mechanism are all located in the box body. The testing device integrates all the components in the box body, can set testing conditions such as temperature, illumination, gas and the like in the box body, meets the testing requirements of various films for stretching, can realize the preparation and mechanical property testing of the polymer film material under the external field condition and the stretching method defined by a user, and has wide application range.
Description
Technical Field
The invention belongs to the field of tensile test equipment, and particularly relates to high polymer material four-way or two-way tensile test equipment.
Background
In recent years, high molecular functional materials have been widely used in the fields of aerospace, ships, energy storage, electronic devices, building materials, biomedical applications, agriculture, and the like. However, in order to meet the use requirements under increasingly complex and severe environments, various properties, especially mechanical properties, of the polymer material often do not meet the use requirements. Therefore, how to adjust molecular chain orientation distribution and topological entanglement of the polymer material constitutes a major problem for the design and preparation of the high-performance polymer material at present.
The polymer material subjected to biaxial stretching treatment has isotropy and excellent mechanical properties in all directions, and the biaxially stretched polypropylene (BOPP) as a commercial polymer material which is industrialized at the earliest has the characteristics of high mechanical properties, high transparency and the like, so that a clear guiding significance is provided for the biaxially stretched polymer material. In recent years, many researchers have studied biaxial stretching equipment for polymer materials, and for example, patent application No. 201811012108.7 discloses a film tensile testing machine which is used for tensile testing of cast sheets produced by an extruder, cannot detect tensile force applied to a sample, and has a narrow application range. In addition, the simple biaxial stretching process is not effective for increasing the value and performance of all polymer film materials, and for different film materials, a specific external field (infrared/ultraviolet light, temperature field, solvent environment, gas atmosphere, etc.) should be applied to the physicochemical characteristics (glass transition temperature, solvent sensitivity, etc.) of the film materials to achieve high performance of the polymer film. Therefore, the method and the device for preparing the polymer film, the bar and the plate which are simple, convenient and universally significant and coupled under various external field conditions are designed to play an extremely important role in developing novel high-performance polymer materials.
Disclosure of Invention
The invention aims to provide a polymer material four-way or two-way tensile test device which can apply a plurality of external field conditions, realize the preparation and mechanical property test of polymer films, bars, plates and other materials with user-defined external field conditions and a tensile method and has wide application range.
The purpose of the invention is realized as follows: the polymer material four-way or two-way tensile test equipment comprises a first clamping mechanism, a second clamping mechanism, a third clamping mechanism and a fourth clamping mechanism, wherein the first clamping mechanism, the second clamping mechanism, the third clamping mechanism and the fourth clamping mechanism enclose a square detection window, the first clamping mechanism and the second clamping mechanism are connected with a first horizontal driving mechanism, the third clamping mechanism and the fourth clamping mechanism are connected with a second horizontal driving mechanism, the moving direction of the first clamping mechanism and the second clamping mechanism is vertical to the moving direction of the third clamping mechanism and the fourth clamping mechanism, the device also comprises a box body with a sealing door, the box is provided with temperature control system and light source in, be provided with air exchange system on the box, first fixture, second fixture, third fixture and fourth fixture all are located the box.
Furthermore, the inner cavity of the box body is divided into a power cavity and a test cavity by a horizontal supporting plate, the test cavity is located above the supporting plate, and the first clamping mechanism, the second clamping mechanism, the third clamping mechanism and the fourth clamping mechanism are located in the test cavity.
Furthermore, the first horizontal driving mechanism comprises a first motor, a first belt, a first screw rod and a first guide rod, the screw thread turning directions of two sides of the midpoint of the first screw rod are opposite, the first clamping mechanism and the second clamping mechanism are both connected with an L-shaped first positioning plate, the first screw rod and the first guide rod horizontally penetrate through the first positioning plates of the first clamping mechanism and the second clamping mechanism, the first guide rod is in sliding fit with the first positioning plate, the first screw rod is in threaded fit with the first positioning plate, the first positioning plate of the first clamping mechanism and the first positioning plate of the second clamping mechanism are positioned on two sides of the midpoint of the first screw rod, and the first motor is installed in the power cavity and is connected with the first screw rod through the first belt;
the second horizontal driving mechanism comprises a second motor, a second belt, a second screw rod and a second guide rod, the screw thread turning directions of the two sides of the middle point of the second screw rod are opposite, the third clamping mechanism and the fourth clamping mechanism are both connected with a second positioning plate in an L shape, the second positioning plate of the third clamping mechanism and the second positioning plate of the fourth clamping mechanism are horizontally penetrated through by the second screw rod and the second guide rod, the second screw rod is perpendicular to the first screw rod, the second guide rod is in sliding fit with the second positioning plate, the second screw rod is in threaded fit with the second positioning plate, the second positioning plate of the third clamping mechanism and the second positioning plate of the fourth clamping mechanism are located on the two sides of the middle point of the second screw rod, and the second motor is installed in the power cavity and is connected with the second screw rod through the second belt.
Furthermore, the first clamping mechanism and the second clamping mechanism are connected with the first positioning plate through the first tension sensor, and the third clamping mechanism and the fourth clamping mechanism are connected with the second positioning plate through the second tension sensor.
Further, the ventilation system comprises an air inlet valve and an air outlet valve which are arranged on the side wall of the box body.
Further, a detachable solvent container is arranged on the supporting plate below the detection window.
The invention has the beneficial effects that: the testing device integrates all parts in the box body, can set testing conditions such as temperature, illumination, gas and the like in the box body, meets the testing requirements of stretching of various films, bars and plates, can realize the preparation and mechanical property testing of high polymer materials by user-defined external field conditions and stretching methods, and has wide application range.
Drawings
FIG. 1 is a schematic front cross-sectional view of the present invention.
FIG. 2 is a side cross-sectional schematic view of the present invention.
Fig. 3 is a schematic cross-sectional view of a-a in fig. 1.
Fig. 4 is a schematic view of the installation of the solvent container.
Reference numerals: 1-a first clamping mechanism; 2-a second clamping mechanism; 3-a third clamping mechanism; 4-a fourth clamping mechanism; 5, a box body; 6-temperature control system; 7-a light source; 8-a ventilation system; 9-a support plate; 10-a first motor; 11 — a first belt; 12-a first lead screw; 13 — a first guide bar; 14-a first positioning plate; 15-a second motor; 16 — a second belt; 17-a second screw rod; 18-a second guide bar; 19-a second positioning plate; 20 — a first tension sensor; 21-a second tension sensor; 22-a solvent container; 23-carrying plate; 24-a connecting rod; 25-blocking plate; 26, a positioning cylinder; 27-a gasket; 28-lifting mechanism.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 3, the polymer material four-way or two-way tensile test apparatus of the present invention can be specifically used for mechanical property tests and manufacturing of polymer films, plates, and bars, and includes a first clamping mechanism 1, a second clamping mechanism 2, a third clamping mechanism 3, and a fourth clamping mechanism 4, where the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3, and the fourth clamping mechanism 4 enclose a square detection window. First fixture 1, second fixture 2, third fixture 3 and fourth fixture 4 are used for being tested the appearance and carry out the centre gripping, during the experiment, will be surveyed film or panel and tailor into the square, with first fixture 1, second fixture 2, third fixture 3 and fourth fixture 4 centre gripping respectively by four angles or four limits of being surveyed the film, then can carry out tensile test. Or the bar to be measured is cut into a proper length, and the two ends of the bar are clamped by the first clamping mechanism 1 and the second clamping mechanism 2. The specific structure of the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 and the clamping method for the film, the plate or the bar can adopt the existing general structure. First fixture 1, second fixture 2, third fixture 3 and fourth fixture 4 accessible screw demountable installation to the different fixture of change according to the kind of the sample that is tested.
The first clamping mechanism 1 and the second clamping mechanism 2 are connected with a first horizontal driving mechanism, the third clamping mechanism 3 and the fourth clamping mechanism 4 are connected with a second horizontal driving mechanism, and the moving direction of the first clamping mechanism 1 and the moving direction of the second clamping mechanism 2 are perpendicular to the moving direction of the third clamping mechanism 3 and the moving direction of the fourth clamping mechanism 4. The first horizontal driving mechanism is used for driving the first clamping mechanism 1 and the second clamping mechanism 2 to move horizontally, the second horizontal driving mechanism is used for driving the third clamping mechanism 3 and the fourth clamping mechanism 4 to move horizontally, the moving directions of the first clamping mechanism 1 and the second clamping mechanism 2 are opposite, but the moving speeds are equal, the moving directions of the third clamping mechanism 3 and the fourth clamping mechanism 4 are opposite, and the moving speeds are equal, so that the uniform and stable tension of the four clamping mechanisms on a tested sample is ensured.
Still including the box 5 that has sealing door, experimental 5 inside going on of box, avoid external environment to disturb the experimental environment, conveniently exert the external field. The box body 5 can adopt a box body structure with heat preservation, heat insulation, light tightness and better sealing performance. The automatic clamping device is characterized in that a temperature control system 6 and a light source 7 are arranged in the box body 5, an air exchange system 8 is arranged on the box body 5, and the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 are all located in the box body 5.
The temperature control system 6 is used for adjusting the temperature in the box body 5, and testing the mechanical property of the high polymer material under various temperature conditions is realized. Specifically, temperature control system 6 includes electric heating wire and temperature sensor, and temperature sensor detectable box 5 internal temperature, and the user can change the internal temperature of box 5 according to the switching on or off of detection result control electric heating wire.
The light source 7 can be an infrared light source, an ultraviolet light source and the like, and illumination radiation of different wave bands is realized.
The ventilation system 8 is used for filling inert gases such as nitrogen, helium and the like into the box body 1 so as to test the aging and tensile properties of the tested sample under the environment with different oxygen contents. Specifically, ventilation system 8 may include intake and exhaust valves disposed on the side walls or top of housing 5, preferably at a distance not too close to one another, to prevent gases charged into housing 5 from being immediately exhausted through the exhaust valves. During air exchange, an air inlet valve and an exhaust valve are opened, nitrogen or helium enters the box body 5 through the air inlet valve, gas in the box body 5 is exhausted out of the box body 5 through the exhaust valve, and after air exchange is completed, the air inlet valve and the exhaust valve are closed. The ventilation system 8 also comprises gas sensors to monitor and regulate in real time the oxygen concentration inside the tank 5.
In order to prevent the external field applied during the test from influencing the first horizontal driving mechanism and the second horizontal driving mechanism, the inner cavity of the box body 5 is divided into a power cavity and a test cavity by a horizontal supporting plate 9, the test cavity is positioned above the supporting plate 9, and the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 are positioned in the test cavity.
In the prior art, the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 are respectively powered by a motor or a cylinder, so that the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 are asynchronous in movement, unbalanced stress of a film or a plate is caused, asynchronous stretching deformation in each direction is caused, and the accuracy of a test is influenced. In addition, the power device occupies larger space, and is not beneficial to the transformation and adjustment of an applied field. In order to enable the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 to move more synchronously, the tension of a tested sample is more balanced, the integration degree of the whole equipment is higher, and the control of an external field is more facilitated, in the invention, a first horizontal driving mechanism comprises a first motor 10, a first belt 11, a first screw rod 12 and a first guide rod 13, the screwing directions of threads on two sides of the midpoint of the first screw rod 12 are opposite, the first clamping mechanism 1 and the second clamping mechanism 2 are both connected with an L-shaped first positioning plate 14, the first screw rod 12 and the first guide rod 13 both horizontally penetrate through the first positioning plates 14 of the first clamping mechanism 1 and the second clamping mechanism 2, the first guide rod 13 is in sliding fit with the first positioning plate 14, the first screw rod 12 is in threaded fit with the first positioning plate 14, the first positioning plate 14 of the first clamping mechanism 1 and the first positioning plate 14 of the second clamping mechanism 2 are positioned on two sides of the midpoint of the first screw rod 12, the first motor 10 is installed in the power cavity and connected with the first screw rod 12 through a first belt 11.
The second horizontal driving mechanism comprises a second motor 15, a second belt 16, a second screw rod 17 and a second guide rod 18, the screw thread turning directions of two sides of the middle point of the second screw rod 17 are opposite, the third clamping mechanism 3 and the fourth clamping mechanism 4 are both connected with an L-shaped second positioning plate 19, the second screw rod 17 and the second guide rod 18 horizontally penetrate through the second positioning plate 19 of the third clamping mechanism 3 and the fourth clamping mechanism 4, the second screw rod 17 is perpendicular to the first screw rod 12, the second guide rod 18 is in sliding fit with the second positioning plate 19, the second screw rod 17 is in threaded fit with the second positioning plate 19, the second positioning plate 19 of the third clamping mechanism 3 and the second positioning plate 19 of the fourth clamping mechanism 4 are located on two sides of the middle point of the second screw rod 17, and the second motor 15 is installed in the power cavity and connected with the second screw rod 17 through the second belt 16.
The L-shaped first positioning plate 14 and the L-shaped second positioning plate 19 both comprise a vertical plate and a horizontal plate, the vertical plate of the second positioning plate 19 is matched with the second screw rod 17, and the vertical plate of the first positioning plate 14 is matched with the first screw rod 12. The first positioning plate 14 and the second positioning plate 19 are fixed to be at the same horizontal position through the first guide rod 13 and the second guide rod 18 respectively; meanwhile, the film or the plate can be ensured to be in a horizontal state in the processes of being clamped and moving by the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4.
The second motor 15 and the first motor 10 are installed in the power cavity, and the adverse effect of an external field in the test cavity on the second motor 15 and the first motor 10 is avoided. The second motor 15 drives the second screw rod 17 to rotate through the second belt 16, and the first motor 10 drives the first screw rod 12 to rotate through the first belt 11, so as to drive the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 to horizontally move.
Both ends of the first lead screw 12 and the second lead screw 17 are mounted on the side wall of the case 5 through bearings to ensure stable rotation, and the bearings are sealed to prevent gas leakage. Because the screw thread turning directions of the two sides of the middle point of the first screw rod 12 and the second screw rod 17 are opposite, when the first screw rod 12 and the second screw rod 17 rotate, the first clamping mechanism 1 and the second clamping mechanism 2 move in opposite directions under the action of the screw thread, namely the first clamping mechanism 1 and the second clamping mechanism 2 synchronously move towards the center of the first screw rod 12 or synchronously move towards the two ends of the first screw rod 12, and therefore the problem of the movement synchronism of the first clamping mechanism 1 and the second clamping mechanism 2 is solved. Similarly, the third clamping mechanism 3 and the fourth clamping mechanism 4 can move reversely at the same speed, so that the synchronism of the movement is ensured. At this time, synchronous and coordinated movement of the 4 clamping mechanisms, namely the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4, can be ensured only by ensuring synchronous operation of the second motor 15 and the first motor 10, the second motor 15 and the first motor 10 are servo motors, and the operation of the second motor 15 and the first motor 10 is controlled by a software program.
The two ends of the first guide rod 13 and the second guide rod 18 can be fixedly arranged on the side wall of the box body 5, the first guide rod 13 and the second guide rod 18 can be one or two, the functions of guiding and stabilizing the motion stroke are achieved, the first clamping mechanism 1 and the second clamping mechanism 2 are ensured to move along the first guide rod 13, and the third clamping mechanism 3 and the fourth clamping mechanism 4 move along the second guide rod 18.
The first clamping mechanism 1 and the second clamping mechanism 2 are connected with the first positioning plate 14 through a first tension sensor 20, and the third clamping mechanism 3 and the fourth clamping mechanism 4 are connected with the second positioning plate 19 through a second tension sensor 21. The first tension sensor 20 and the second tension sensor 21 can detect the tension transmitted to the test specimen to calculate the mechanical properties of the material.
A detachable solvent container 22 is arranged on the supporting plate 9 below the detection window. The solvent container 22 is used for containing a solvent, and during the test, the sample to be tested is soaked in different solvents to test the performance of the sample to be tested in different solvents. The solvent container 22 may be a metal case, a plastic case, a glass case, or the like, and an appropriate material may be selected according to the type of the reagent. In order to facilitate the first clamping mechanism 1, the second clamping mechanism 2, the third clamping mechanism 3 and the fourth clamping mechanism 4 to be placed into the solvent container 22 during the test, as shown in fig. 4, a through hole can be formed in the supporting plate 9, a carrying plate 23 in sliding fit with the through hole is arranged in the through hole, the lower surface of the carrying plate 23 is connected with a blocking plate 25 through a vertical connecting rod 24, the lower surface of the blocking plate 25 is connected with a lifting mechanism 28, the solvent container 22 is naturally placed on the carrying plate 23, and in order to prevent the solvent container 22 from moving, a positioning cylinder 26 can be arranged on the upper surface of the carrying plate 23. When the sample to be tested needs to be soaked in the solvent, the solvent is loaded into the solvent container 22, the solvent container 22 is placed into the positioning cylinder 26, the lifting mechanism 28 is utilized to drive the blocking plate 25 and the carrying plate 23 to ascend, so that the sample to be tested is soaked in the solvent, and meanwhile, the through hole in the supporting plate 9 is blocked by the blocking plate 25 to separate the power cavity from the test cavity. To improve the sealing effect, the closure plate 25 may comprise an upper plate which is slidably fitted into the through-hole, and a lower plate which covers the lower end opening of the through-hole, and the upper surface of which is provided with a sealing gasket 27. The lifting mechanism 28 may be a hydraulic cylinder, an air cylinder, or the like.
The operation of ventilation system 8, second motor 15, first motor 10, temperature control system 6 all can be controlled through the computer, specifically, can adopt WINDOWS operating system platform operating environment, use RS485 bus mode drive servo, control two servo motor movements, realize that each clamping device of condition control such as unipolar/biax self-defined speed, displacement, temperature is stretched to being tested the appearance, and read stress and stroke in real time through force transducer and servo, operate through temperature control module cooperation software.
It should be noted that, the device can be used for not only testing the mechanical properties of the polymer film, sheet material and bar material, but also preparing high-performance materials with different orientation structures under the bidirectional or four-directional stretching action of the polymer material and matching with other external fields, and can also be used as a processing device of special polymer materials.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The polymer material four-way or two-way tensile test equipment comprises a first clamping mechanism (1), a second clamping mechanism (2), a third clamping mechanism (3) and a fourth clamping mechanism (4), wherein the first clamping mechanism (1), the second clamping mechanism (2), the third clamping mechanism (3) and the fourth clamping mechanism (4) enclose a square detection window, the first clamping mechanism (1) and the second clamping mechanism (2) are connected with a first horizontal driving mechanism, the third clamping mechanism (3) and the fourth clamping mechanism (4) are connected with a second horizontal driving mechanism, the moving directions of the first clamping mechanism (1) and the second clamping mechanism (2) are perpendicular to the moving directions of the third clamping mechanism (3) and the fourth clamping mechanism (4), the equipment is characterized by further comprising a box body (5) with a sealing door, a temperature control system (6) and a light source (7) are arranged in the box body (5), the temperature control system (6) is used for adjusting the temperature in the box body (5) and testing the mechanical property of the high polymer material under various temperature conditions, the light source (7) is used for realizing different wave band illumination radiation, the box body (5) is provided with the ventilation system (8), the ventilation system (8) is used for filling inert gas into the box body (5) so as to test the aging and tensile properties of a tested sample under different oxygen content environments, and the first clamping mechanism (1), the second clamping mechanism (2), the third clamping mechanism (3) and the fourth clamping mechanism (4) are all located in the box body (5);
an inner cavity of the box body (5) is divided into a power cavity and a test cavity by a horizontal supporting plate (9), the test cavity is positioned above the supporting plate (9), and the first clamping mechanism (1), the second clamping mechanism (2), the third clamping mechanism (3) and the fourth clamping mechanism (4) are positioned in the test cavity;
a detachable solvent container (22) is arranged on the supporting plate (9) below the detection window;
the first horizontal driving mechanism comprises a first motor (10), a first belt (11), a first screw rod (12) and a first guide rod (13), the screw thread turning directions of the two sides of the middle point of the first screw rod (12) are opposite, the first clamping mechanism (1) and the second clamping mechanism (2) are both connected with an L-shaped first positioning plate (14), the first screw rod (12) and the first guide rod (13) horizontally penetrate through the first positioning plates (14) of the first clamping mechanism (1) and the second clamping mechanism (2), the first guide rod (13) is in sliding fit with the first positioning plate (14), the first screw rod (12) is in threaded fit with the first positioning plate (14), the first positioning plate (14) of the first clamping mechanism (1) and the first positioning plate (14) of the second clamping mechanism (2) are positioned on two sides of the midpoint of the first screw rod (12), the first motor (10) is arranged in the power cavity and is connected with the first screw rod (12) through a first belt (11);
the second horizontal driving mechanism comprises a second motor (15), a second belt (16), a second screw rod (17) and a second guide rod (18), the screw thread turning directions of two sides of the midpoint of the second screw rod (17) are opposite, the third clamping mechanism (3) and the fourth clamping mechanism (4) are both connected with an L-shaped second positioning plate (19), the second screw rod (17) and the second guide rod (18) horizontally penetrate through the second positioning plates (19) of the third clamping mechanism (3) and the fourth clamping mechanism (4), the second screw rod (17) is perpendicular to the first screw rod (12), the second guide rod (18) is in sliding fit with the second positioning plate (19), the second screw rod (17) is in threaded fit with the second positioning plate (19), the second positioning plate (19) of the third clamping mechanism (3) and the second positioning plate (19) of the fourth clamping mechanism (4) are positioned on two sides of the midpoint of the second screw rod (17), the second motor (15) is arranged in the power cavity and is connected with the second screw rod (17) through a second belt (16).
2. The polymer material four-way or two-way tensile test equipment according to claim 1, characterized in that: the first clamping mechanism (1) and the second clamping mechanism (2) are connected with the first positioning plate (14) through a first tension sensor (20), and the third clamping mechanism (3) and the fourth clamping mechanism (4) are connected with the second positioning plate (19) through a second tension sensor (21).
3. The polymer material four-way or two-way tensile test equipment according to claim 1, characterized in that: the ventilation system (8) comprises an air inlet valve and an air outlet valve which are arranged on the side wall of the box body (5).
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| CN202010528952.6A CN111610097B (en) | 2020-06-11 | 2020-06-11 | Polymer material four-way or two-way tensile test equipment |
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| CN202010528952.6A CN111610097B (en) | 2020-06-11 | 2020-06-11 | Polymer material four-way or two-way tensile test equipment |
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| CN111610097B true CN111610097B (en) | 2022-02-08 |
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| CN112151397A (en) * | 2020-09-27 | 2020-12-29 | 田世祥 | Semiconductor packaging machine with positioning function |
| CN112378746A (en) * | 2021-01-05 | 2021-02-19 | 南京贝迪新材料科技股份有限公司 | A polymer film material stretching device for in situ structure detects |
| CN113567237A (en) * | 2021-06-25 | 2021-10-29 | 鞍钢股份有限公司 | Four-way stretching limiting device and method |
| CN114633460B (en) * | 2022-05-16 | 2022-09-02 | 河南银金达新材料股份有限公司 | Multidirectional stretching equipment of polyester film |
| CN115597972B (en) * | 2022-11-16 | 2023-02-17 | 苏州博大永旺新材股份有限公司 | Tensile strength detection equipment for packaging plastic boxes |
| CN115615831B (en) * | 2022-12-15 | 2023-04-07 | 深圳市日东新材料技术有限公司 | PE protection film production testing arrangement |
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